Change a part on the left, watch the response on the right. An interactive bench for RF and microwave fundamentals: matching, resonators, filters, splitters and power amplifiers.
1Predict the number first2Play with the bench3Say it out loud4Drill 10 minutes a dayWhy this order works
Predict before you look. Committing to a guess, then seeing the sim, then explaining the gap is the predict, observe, explain loop from physics teaching. A wrong guess you had to own sticks better than a right answer you read.
Test yourself instead of rereading. Retrieval practice beats restudying for long-term recall (Roediger and Karpicke, 2006). Dunlosky et al. (2013) rated practice testing and spaced practice the two most useful study techniques.
Mix the topics. The drills interleave Γ, dB, reactance, Q and load-line problems. Mixing forces you to pick the right formula, which is what the interview asks of you (Rohrer and Taylor, 2007).
Learn anchor numbers. A few memorized points (Γ 0.2 is 14 dB, 1 pF at 10 GHz is 16 Ω) let you estimate everything else. That speed is what an interviewer reads as fluency.
Explain out loud. Each tab ends with the sentence to say in the room. Saying it without looking is self-explanation, and it shows you where your understanding has gaps.